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What Is Green Power? Green power is electricity that's produced by renewable resources such as solar, wind, geothermal, some forms of biomass, and hydroelectricity that is low-impact. It is available to consumers in markets that are deregulated who want to support cleaner energy sources by putting a small premium to their utility bill. Renewable energies are often less harmful to the environment than coal mining or oil drilling mining. They can also reduce greenhouse gas emissions. Solar Energy Solar energy is one of the most well-known green energy sources. Solar energy is a renewable resource because it is never depleted. It is a clean, efficient and secure energy source that can reduce greenhouse gas emissions as well as air pollution from conventional fossil fuels like natural gas, coal and oil. This energy source is also a good alternative to nuclear power, which requires extraction and mining of uranium, as well as long-term storage of radioactive waste. Solar thermal collectors, photovoltaic panels, and concentrated solar-thermal energy (CSP) are all ways to harness the sun's power. Solar electricity can either be distributed directly to homes and businesses or to grids that distribute power to others. Some customers even have the option of selling their surplus energy back to the utility company, which helps keep electricity bills low and even offset rising utility prices. Solar energy produces no pollution or emissions to the air, unlike fossil fuels which produce harmful gases and carbon dioxide when they are burned. Solar energy can also be used to power different types of devices, including satellites, boats and spacecrafts that cannot connect to the electrical grid is not feasible or even possible. Solar power can be utilized in smaller structures. Many homeowners use PV solar panels on their roofs to produce electricity and passive solar homes design lets these homes let in sunlight during the day to provide warmth and then retain the warmth at night. Solar-powered homes also have the advantage of needing minimal maintenance. Another type of solar power is hydropower, which uses the natural flow of water in rivers, streams and dams to generate electricity. Hydropower, similar to biomass and wind is a renewable resource because it can be replenished. Take a look at the EPA's list of third party certified hydropower options if are looking to include it in your office or at home. Geothermal Energy A geothermal energy plant harnesses heat from the Earth's interior to generate electricity. The process uses steam and hot water that naturally occur a few kilometers beneath the Earth's surface. It is a renewable and sustainable energy source that generates electricity 24 hours a day all year round. Geothermal power can reduce our dependence on fossil fuels. It is also one of the most environmentally friendly methods of energy generation. The most common geothermal power station is the flash-steam plant. It uses water at a temperature of about 182deg C (360deg F) to generate electricity and power turbines. The steam can also be used to heat buildings, or other industrial processes. Iceland for instance, uses geothermal energy to melt snow and heat its streets, sidewalks, and parking lots during the cold Arctic winter. Another source of geothermal energy is a hot dry rock (HDR) power plant that taps underground reservoirs of hot dry rocks that have been heated by either natural or human-made activities. HDR plants require less infrastructure than geothermal power plants, making them easier and cheaper to construct and operate. The National Renewable Energy Laboratory estimates that there is enough HDR resources in the United States to meet all of our current electricity needs. The steam generated by geothermal power plants can be used to create electricity through a steam-turbine generator, or it can be combined with a gas-fired turbine to improve efficiency. The mixture can be transformed into natural gas and then burned in a boiler to generate electricity. Geothermal energy is not just reliable and clean, but it also has the lowest carbon footprint among all renewable energy sources. Binary-cycle plants that use an engine to turn steam into electricity generate little or no nitrous dioxide methane, sulphur and oxide. However, despite its advantages geothermal energy doesn't come without its difficulties. The drilling required to construct geothermal power stations could cause earthquakes and pollute groundwater. Furthermore, the dumping of high-pressure streams into geothermal reservoirs could cause subsidence, which is a gradual sinking land that can damage pipelines, roads, and buildings. Biogas Biogas is a renewable gaseous energy source that produces green energy. It can be produced from agricultural wastes, manure, plants and sewage municipal garbage, food wastes, and other organic wastes. Biogas can be used to generate electricity, heat and power and heat or transformed into fuels for transport using the Fischer-Tropsch process. Biogas can also be used to create renewable hydrogen that is used in fuel cells. Fuel cells are predicted to play an important role in the future energy systems around the globe. The most common method of valorisation of biogas is to generate electricity using the power of a combined heat and (CHP) plant. The heat generated by the CHP plant is utilized to fuel the fermentation of organic wastes, while the electricity is fed back into the grid. It can also be converted into natural gas and blended into existing natural gas distribution systems. Biogas can be used as a replacement for imported mined natural gas in ground transportation, commercial and residential structures. In addition to providing renewable energy, biogas could also help reduce greenhouse gas emissions and pollutants from conventional cooking. The CCAC works to provide tools for measuring reporting and confirming (MRV) healthy cooking practices in households in low to middle-income countries. This will help the 67 countries who have included clean-cooking targets in their Nationally Determined Contributions. By using biogas as a substitute for traditional natural gas for heating and cooling and to substitute fossil fuels for the generation of electricity, carbon dioxide emissions will be reduced. Biogas is also a sustainable substitute for oil, coal and other fossil fuels for production of liquid transportation fuels. By collecting and recovering methane by capturing and recovering methane, we can stop the release of greenhouse gasses into the air and the runoff of nitrogen which could otherwise pollute our water sources. The Plessis-Gassot landfill for non-hazardous waste in Claye-Souilly, France, for instance collects biogas and converts it into a sustainable source of energy for the households that are connected to the system. Small-scale biogas facilities may also be constructed in cities, allowing the collection and utilization of organic waste locally. This will help reduce the greenhouse gas emissions that are associated with transportation and treatment. Hydroelectric Power Hydropower is a renewable source of energy that makes use of the kinetic energy of water that flows. It is the most popular and cheapest renewable energy source around the globe. It releases no greenhouse gases, but it has significant environmental impact. It is a highly flexible form of green power that is able to be adjusted to meet changing supply and demand. green power scooter than a century and it is able to be upgraded to improve efficiency and performance. The majority of hydropower plants that are traditional use dams to harness the power of falling water. The water's kinetic energy is converted to electricity by the turbines which spin at a rate proportional to the speed of the water. This electricity is then transmitted to the electric grid for use. Although constructing an hydroelectric power plant involves a massive investment in reservoirs, dams and pipes, the operating costs are relatively low. Furthermore, these plants are able to serve as backups for other intermittent renewable power technologies like solar and wind. There are two major kinds of hydroelectric plants which are run-of-river and storage. Storage plants are characterized by large impoundments that can store more than one season's worth of water. Run-of-river plants draw streams and rivers that are free-flowing. Hydropower plants are typically situated near or in areas of high population density, where electricity demand is high. The environmental impact of hydropower is largely dependent on the size and location of the project, the amount of water dispersed, as well as the habitats and wildlife affected by decomposition and floods. These impacts can be minimized and mitigated through the use of Low Impact Hydroelectricity (LIHI) standards for the construction and operation of hydropower projects. The standards contain measures to safeguard the river's flow, water quality passage for fish and protection of watershed protection, endangered and threatened species, recreation, as well as cultural resources. In addition, to generate renewable energy, some hydropower plants act as the world's largest “batteries.” They are called storage facilities that are pumped and operate by pumping water upwards from a lower pool to a reservoir higher. When electricity is needed, the water from the lower reservoir can be used to power generators. The water from the reservoir above is then pumped downhill through a turbine to generate more electricity.